package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    void insert(ShoppingCart shoppingCart);
@Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);
/**
 * 动态条件查询购物车数据
 */
 List<ShoppingCart> list(ShoppingCart shoppingCart);

@Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

@Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    void insertBatch(List<ShoppingCart> shoppingCartList);
}
